Paint brush



FIG. 1 is a perspective view of the paint brush showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view of a first variant of the paint brush showing my design;

FIG. 9 is a front elevational view of the first variant thereof;

FIG. 10 is a rear elevational view of the first variant thereof;

FIG. 11 is a right side elevational view of the first variant thereof;

FIG. 12 is a left side elevational view of the first variant thereof;

FIG. 13 is a top plan view of the first variant thereof;

FIG. 14 is a bottom plan view of the first variant thereof;

FIG. 15 is a perspective view of a second variant of the paint brush showing my design;

FIG. 16 is a front elevational view of the second variant thereof;

FIG. 17 is a rear elevational view of the second variant thereof;

FIG. 18 is a right side elevational view of the second variant thereof;

FIG. 19 is a left side elevational view of the second variant thereof;

FIG. 20 is a top plan view of the second variant thereof; and,

FIG. 21 is a bottom plan view of the second variant thereof. 

CLAIM The ornamental design for a paint brush, as shown and described. 